Question

Soil -> plants -> animals -> air

Answer 1

C is the correct answer. 


   Hope this Helps. :)

Answer 2

The right answer is C. breathing.

Breathing is a physiological process that supplies the body with oxygen and releases it from carbon dioxide.

The pulmonary alveoli are located in the lungs and allow respiratory gas exchange between the internal medium (the blood) and the external environment (the air or the atmosphere).